348 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			348 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _GDTH_IOCTL_H
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#define _GDTH_IOCTL_H
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/* gdth_ioctl.h
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 * $Id: gdth_ioctl.h,v 1.14 2004/02/19 15:43:15 achim Exp $
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 */
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/* IOCTLs */
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#define GDTIOCTL_MASK       ('J'<<8)
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#define GDTIOCTL_GENERAL    (GDTIOCTL_MASK | 0) /* general IOCTL */
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#define GDTIOCTL_DRVERS     (GDTIOCTL_MASK | 1) /* get driver version */
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#define GDTIOCTL_CTRTYPE    (GDTIOCTL_MASK | 2) /* get controller type */
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#define GDTIOCTL_OSVERS     (GDTIOCTL_MASK | 3) /* get OS version */
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#define GDTIOCTL_HDRLIST    (GDTIOCTL_MASK | 4) /* get host drive list */
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#define GDTIOCTL_CTRCNT     (GDTIOCTL_MASK | 5) /* get controller count */
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#define GDTIOCTL_LOCKDRV    (GDTIOCTL_MASK | 6) /* lock host drive */
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#define GDTIOCTL_LOCKCHN    (GDTIOCTL_MASK | 7) /* lock channel */
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#define GDTIOCTL_EVENT      (GDTIOCTL_MASK | 8) /* read controller events */
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#define GDTIOCTL_SCSI       (GDTIOCTL_MASK | 9) /* SCSI command */
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#define GDTIOCTL_RESET_BUS  (GDTIOCTL_MASK |10) /* reset SCSI bus */
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#define GDTIOCTL_RESCAN     (GDTIOCTL_MASK |11) /* rescan host drives */
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#define GDTIOCTL_RESET_DRV  (GDTIOCTL_MASK |12) /* reset (remote) drv. res. */
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#define GDTIOCTL_MAGIC  0xaffe0004
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#define EVENT_SIZE      294 
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#define GDTH_MAXSG      32                      /* max. s/g elements */
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#define MAX_LDRIVES     255                     /* max. log. drive count */
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#ifdef GDTH_IOCTL_PROC
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#define MAX_HDRIVES     100                     /* max. host drive count */
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#else
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#define MAX_HDRIVES     MAX_LDRIVES             /* max. host drive count */
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#endif
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/* typedefs */
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#ifdef __KERNEL__
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typedef u32     ulong32;
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typedef u64     ulong64;
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#endif
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#define PACKED  __attribute__((packed))
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/* scatter/gather element */
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typedef struct {
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    ulong32     sg_ptr;                         /* address */
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    ulong32     sg_len;                         /* length */
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} PACKED gdth_sg_str;
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/* scatter/gather element - 64bit addresses */
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typedef struct {
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    ulong64     sg_ptr;                         /* address */
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    ulong32     sg_len;                         /* length */
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} PACKED gdth_sg64_str;
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/* command structure */
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typedef struct {
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    ulong32     BoardNode;                      /* board node (always 0) */
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    ulong32     CommandIndex;                   /* command number */
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    ushort      OpCode;                         /* the command (READ,..) */
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    union {
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        struct {
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            ushort      DeviceNo;               /* number of cache drive */
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            ulong32     BlockNo;                /* block number */
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            ulong32     BlockCnt;               /* block count */
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            ulong32     DestAddr;               /* dest. addr. (if s/g: -1) */
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            ulong32     sg_canz;                /* s/g element count */
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            gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
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        } PACKED cache;                         /* cache service cmd. str. */
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        struct {
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            ushort      DeviceNo;               /* number of cache drive */
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            ulong64     BlockNo;                /* block number */
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            ulong32     BlockCnt;               /* block count */
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            ulong64     DestAddr;               /* dest. addr. (if s/g: -1) */
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            ulong32     sg_canz;                /* s/g element count */
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            gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
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        } PACKED cache64;                       /* cache service cmd. str. */
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        struct {
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            ushort      param_size;             /* size of p_param buffer */
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            ulong32     subfunc;                /* IOCTL function */
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            ulong32     channel;                /* device */
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            ulong64     p_param;                /* buffer */
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        } PACKED ioctl;                         /* IOCTL command structure */
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        struct {
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            ushort      reserved;
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            union {
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                struct {
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                    ulong32  msg_handle;        /* message handle */
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                    ulong64  msg_addr;          /* message buffer address */
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                } PACKED msg;
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                unchar       data[12];          /* buffer for rtc data, ... */
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            } su;
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        } PACKED screen;                        /* screen service cmd. str. */
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        struct {
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            ushort      reserved;
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            ulong32     direction;              /* data direction */
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            ulong32     mdisc_time;             /* disc. time (0: no timeout)*/
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            ulong32     mcon_time;              /* connect time(0: no to.) */
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            ulong32     sdata;                  /* dest. addr. (if s/g: -1) */
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            ulong32     sdlen;                  /* data length (bytes) */
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            ulong32     clen;                   /* SCSI cmd. length(6,10,12) */
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            unchar      cmd[12];                /* SCSI command */
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            unchar      target;                 /* target ID */
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            unchar      lun;                    /* LUN */
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            unchar      bus;                    /* SCSI bus number */
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            unchar      priority;               /* only 0 used */
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            ulong32     sense_len;              /* sense data length */
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            ulong32     sense_data;             /* sense data addr. */
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            ulong32     link_p;                 /* linked cmds (not supp.) */
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            ulong32     sg_ranz;                /* s/g element count */
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            gdth_sg_str sg_lst[GDTH_MAXSG];     /* s/g list */
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        } PACKED raw;                           /* raw service cmd. struct. */
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        struct {
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            ushort      reserved;
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            ulong32     direction;              /* data direction */
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            ulong32     mdisc_time;             /* disc. time (0: no timeout)*/
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            ulong32     mcon_time;              /* connect time(0: no to.) */
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            ulong64     sdata;                  /* dest. addr. (if s/g: -1) */
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            ulong32     sdlen;                  /* data length (bytes) */
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            ulong32     clen;                   /* SCSI cmd. length(6,..,16) */
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            unchar      cmd[16];                /* SCSI command */
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            unchar      target;                 /* target ID */
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            unchar      lun;                    /* LUN */
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            unchar      bus;                    /* SCSI bus number */
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            unchar      priority;               /* only 0 used */
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            ulong32     sense_len;              /* sense data length */
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            ulong64     sense_data;             /* sense data addr. */
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            ulong32     sg_ranz;                /* s/g element count */
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            gdth_sg64_str sg_lst[GDTH_MAXSG];   /* s/g list */
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        } PACKED raw64;                         /* raw service cmd. struct. */
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    } u;
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    /* additional variables */
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    unchar      Service;                        /* controller service */
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    unchar      reserved;
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    ushort      Status;                         /* command result */
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    ulong32     Info;                           /* additional information */
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    void        *RequestBuffer;                 /* request buffer */
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} PACKED gdth_cmd_str;
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/* controller event structure */
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#define ES_ASYNC    1
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#define ES_DRIVER   2
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#define ES_TEST     3
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#define ES_SYNC     4
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typedef struct {
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    ushort                  size;               /* size of structure */
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    union {
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        char                stream[16];
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        struct {
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            ushort          ionode;
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            ushort          service;
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            ulong32         index;
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        } PACKED driver;
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        struct {
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            ushort          ionode;
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            ushort          service;
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            ushort          status;
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            ulong32         info;
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            unchar          scsi_coord[3];
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        } PACKED async;
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        struct {
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            ushort          ionode;
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            ushort          service;
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            ushort          status;
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            ulong32         info;
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            ushort          hostdrive;
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            unchar          scsi_coord[3];
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            unchar          sense_key;
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        } PACKED sync;
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        struct {
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            ulong32         l1, l2, l3, l4;
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        } PACKED test;
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    } eu;
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    ulong32                 severity;
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    unchar                  event_string[256];          
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} PACKED gdth_evt_data;
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typedef struct {
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    ulong32         first_stamp;
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    ulong32         last_stamp;
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    ushort          same_count;
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    ushort          event_source;
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    ushort          event_idx;
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    unchar          application;
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    unchar          reserved;
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    gdth_evt_data   event_data;
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} PACKED gdth_evt_str;
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#ifdef GDTH_IOCTL_PROC
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/* IOCTL structure (write) */
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typedef struct {
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    ulong32                 magic;              /* IOCTL magic */
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    ushort                  ioctl;              /* IOCTL */
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    ushort                  ionode;             /* controller number */
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    ushort                  service;            /* controller service */
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    ushort                  timeout;            /* timeout */
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    union {
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        struct {
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            unchar          command[512];       /* controller command */
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            unchar          data[1];            /* add. data */
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        } general;
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        struct {
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            unchar          lock;               /* lock/unlock */
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            unchar          drive_cnt;          /* drive count */
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            ushort          drives[MAX_HDRIVES];/* drives */
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        } lockdrv;
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        struct {
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            unchar          lock;               /* lock/unlock */
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            unchar          channel;            /* channel */
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        } lockchn;
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        struct {
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            int             erase;              /* erase event ? */
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            int             handle;
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            unchar          evt[EVENT_SIZE];    /* event structure */
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        } event;
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        struct {
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            unchar          bus;                /* SCSI bus */
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            unchar          target;             /* target ID */
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            unchar          lun;                /* LUN */
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            unchar          cmd_len;            /* command length */
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            unchar          cmd[12];            /* SCSI command */
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        } scsi;
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        struct {
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            ushort          hdr_no;             /* host drive number */
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            unchar          flag;               /* old meth./add/remove */
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        } rescan;
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    } iu;
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} gdth_iowr_str;
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/* IOCTL structure (read) */
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typedef struct {
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    ulong32                 size;               /* buffer size */
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    ulong32                 status;             /* IOCTL error code */
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    union {
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        struct {
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            unchar          data[1];            /* data */
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        } general;
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        struct {
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            ushort          version;            /* driver version */
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        } drvers;
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        struct {
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            unchar          type;               /* controller type */
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            ushort          info;               /* slot etc. */
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            ushort          oem_id;             /* OEM ID */
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            ushort          bios_ver;           /* not used */
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            ushort          access;             /* not used */
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            ushort          ext_type;           /* extended type */
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            ushort          device_id;          /* device ID */
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            ushort          sub_device_id;      /* sub device ID */
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        } ctrtype;
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        struct {
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            unchar          version;            /* OS version */
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            unchar          subversion;         /* OS subversion */
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            ushort          revision;           /* revision */
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        } osvers;
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        struct {
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            ushort          count;              /* controller count */
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        } ctrcnt;
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        struct {
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            int             handle;
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            unchar          evt[EVENT_SIZE];    /* event structure */
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        } event;
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        struct {
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            unchar          bus;                /* SCSI bus, 0xff: invalid */
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            unchar          target;             /* target ID */
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            unchar          lun;                /* LUN */
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            unchar          cluster_type;       /* cluster properties */
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        } hdr_list[MAX_HDRIVES];                /* index is host drive number */
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    } iu;
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} gdth_iord_str;
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#endif
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/* GDTIOCTL_GENERAL */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    ushort timeout;                             /* timeout */
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    ulong32 info;                               /* error info */ 
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    ushort status;                              /* status */
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    ulong data_len;                             /* data buffer size */
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    ulong sense_len;                            /* sense buffer size */
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    gdth_cmd_str command;                       /* command */                   
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} gdth_ioctl_general;
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/* GDTIOCTL_LOCKDRV */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    unchar lock;                                /* lock/unlock */
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    unchar drive_cnt;                           /* drive count */
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    ushort drives[MAX_HDRIVES];                 /* drives */
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} gdth_ioctl_lockdrv;
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/* GDTIOCTL_LOCKCHN */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    unchar lock;                                /* lock/unlock */
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    unchar channel;                             /* channel */
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} gdth_ioctl_lockchn;
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/* GDTIOCTL_OSVERS */
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typedef struct {
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    unchar version;                             /* OS version */
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    unchar subversion;                          /* OS subversion */
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    ushort revision;                            /* revision */
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} gdth_ioctl_osvers;
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/* GDTIOCTL_CTRTYPE */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    unchar type;                                /* controller type */
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    ushort info;                                /* slot etc. */
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    ushort oem_id;                              /* OEM ID */
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    ushort bios_ver;                            /* not used */
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    ushort access;                              /* not used */
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    ushort ext_type;                            /* extended type */
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    ushort device_id;                           /* device ID */
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    ushort sub_device_id;                       /* sub device ID */
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} gdth_ioctl_ctrtype;
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/* GDTIOCTL_EVENT */
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typedef struct {
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    ushort ionode;
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    int erase;                                  /* erase event? */
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    int handle;                                 /* event handle */
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    gdth_evt_str event;
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} gdth_ioctl_event;
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/* GDTIOCTL_RESCAN/GDTIOCTL_HDRLIST */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    unchar flag;                                /* add/remove */
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    ushort hdr_no;                              /* drive no. */
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    struct {
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        unchar bus;                             /* SCSI bus */
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        unchar target;                          /* target ID */
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        unchar lun;                             /* LUN */
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        unchar cluster_type;                    /* cluster properties */
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    } hdr_list[MAX_HDRIVES];                    /* index is host drive number */
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} gdth_ioctl_rescan;
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/* GDTIOCTL_RESET_BUS/GDTIOCTL_RESET_DRV */
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typedef struct {
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    ushort ionode;                              /* controller number */
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    ushort number;                              /* bus/host drive number */
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    ushort status;                              /* status */
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} gdth_ioctl_reset;
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#endif
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